Secrets of the human finger

Ring finger length ratio have long been considered as a good and bad. Recent research shows a finger to show aggressiveness.

The study was conducted regarding the child's exposure to testosterone is running fast and the ratio of finger.

Scientists studied 241 boys aged 10 to 17 years in the competition which was held in Qatar. Children with a circle is longer fingers faster in 50-meter dash.

"They were very fast at the beginning and be able to maintain performance," said John Manning, researchers at Southampton University who led the study.

Long fingers can indicate the aggressiveness in men but not in women. Children with long finger circle indicates good math test. While the index child's long fingers, good in reading and writing lessons.

While research in the journal BMJ 2006 to find the relationship between finger ratio and the nature of athletic women associated with hormone levels. People who ring finger is longer at high risk of osteoarthritis.

In the 2004 study in the American Journal of Human Biology reported, the proportion of people who are not symmetrical body such as a foot or larger ears, easy to show an aggressive nature when provoked.

"Factors like poor health, alcohol or cigarettes during pregnancy can cause the body that are not symmetrical," said Zeynep Benderlioglu researchers from Ohio State University.
"Conditions that affect the development of the central nervous system is involved in impulse control and aggressiveness. Although asymmetry does not cause aggressiveness, but the two things that seem related to the child," he said.